What Larger Social Pattern Helps Explain the Clashes Between Whites

What larger social pattern helps explain the clashes between whites and Indians on the Ohio frontier and, more specifically, their resort to both religious renewal movements and abusive consumption of increased quantities of alcohol?

A) Neither tribal villages nor backcountry villages felt any cultural or economic need for the other.
B) Traditional cultural systems were breaking down, creating great cultural stress.
C) Birth rates in both groups were rising sharply, imposing great pressures on the land.
D) Both groups had abandoned their religious roots and rejected calls to return to traditional beliefs.